Question

1200=2200(1-.75)^x

Answer 1

Welcome to OpenStudy! What are you trying to figure out?

Answer 2

first of all you can simplify that a little bit to get
\[1200 = 2200 ( 0.25 )^x\]

Answer 3

Are we solving for x?

Answer 4

@kitt020912 yes

Answer 5

after, you could divide both sides of the equation by 2200...
and what do you get??

Answer 6

.54=.25^x

Answer 7

well the question is trying to figure out when the temperature of a piece of glass will reach 1200 degrees if it starts at 2200
0 min=2200
5 min=1700
10 min=1275
15 min=1000

Answer 8

@gohangoku58 the question is #26